Fuel Pump Control Unit: Service and Repair

Fuel pump driver module

Operation number: 28411-2

Note! Some variation in the illustrations may occur, but the essential information is always correct.





Removal

Note! Removal steps in this procedure may contain installation details.

Vehicles with fuel pump driver module located in the right-hand rear wheel housing




Fuel pump driver modules that are located under the inner fender on the right-hand side in the front part of the rear wheel housing are installed when replacing on the right-hand side under the rear bench








Remove:
- the covers over the seat rails
- screws for seat rails-body frame, 12 pcs
Lift out the seats.







Fold the carpet back

Remove:
1. ventilation pipe
2. the insulation block
3. the insulation block




Remove the cover on the right-hand side over the fuel pump.





Remove:
- the cable harness connectors from the fuel pump
- connection to the sill
- the mounting on the floor for the cable harness




Cut off the removed cable so that both connectors can be removed. This is done so that the cable can be removed from underneath.




Remove the right rear wheel.
Remove the rivet and plastic nuts for the inner fender.
Bend the fender liner out of the way.





Remove:
- the module from the wheel housing assembly with the mounting
- the cable harness with mountings

Vehicles with fuel pump driver module located under the right-hand rear bench seat.








Remove:
- covers over seat rails
- the 4 screws
Lift out the seat on the right-hand side.




Fold up the carpet. Detach the sill trim panel slightly.
Carefully lift up the insulation block and place a block under the insulation block to access the module.
Install the new module and connect the cable connector.
Remove the block and fold the carpet back. Press the sill trim panel into place.

Installation

Vehicles with fuel pump driver module originally located in the right-hand rear wheel housing




Install two rubber plugs for the wheel housing.

Use: Plug, 974688




Install the inner fender with plastic nuts and rivets
Install wheel. Refer to: Installing wheels Service and Repair




Place the module on the two embossings in the floor leaving a clearance for the seat frame of at least 5 mm.

Use: Control module, 30769225

Remove the protective tape for the Velcro attachments and install the control module.
Install the cable mounting for the connection at the sill, fuel pump and module as well as the mounting in the floor.

Use: Cable harness, 30724838




Check the cover seal for faults and check that the cables are in the cut-outs.
Check that the plugs are in the seal.
Install the cover and tighten to 6 Nm.




Mark and make a hole for the module in the insulation block.




Fold the carpet back

Install:
- ventilation pipe (1)
- the insulation block (2)
- the insulation block (3)





Install
- the seats. Use new screws, 12 x M10. Tighten to 50 Nm.
- the covers over the seat rails

Vehicles with fuel pump driver module originally located under the right-hand rear bench seat.




Install the seat. Use new screws, 4 x M10
Tighten to 50Nm